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sleep stroke

Anping Cai, Ling Wang, Yingling Zhou, Jiyan Chen, Yingqing Feng, Qi Zhong
OBJECTIVE: Current study sought to evaluate the effects of obstructive sleep apnea (OSA) plus hypertension (HTN) on prevalent cardiovascular diseases (CVD). DESIGN AND METHOD: This was a cross-sectional study and a total of 1889 subjects were enrolled. The apnea-hypopnea index (AHI) was measured by polysomnography and OSA degree was classified as mild (AHI 5-14.9) and moderate-severe (AHI ≥ 15), and AHI < 5 was considered no-OSA. Mean and lowest oxyhemoglobin saturation (SaO2) was detected by pulse oximetry...
September 2016: Journal of Hypertension
Craig Anderson, Doug McEvoy, Jiguang Wang
OBJECTIVE: There is uncertainty over whether treatment of obstructive sleep apnea (OSA) can prevent serious cardiovascular (CV) events. DESIGN AND METHOD: SAVE (NCT00738179; ACTRN12608000409370) was designed to determine whether treatment of OSA with CPAP reduces the risk of serious CV events in patients with established CV disease. Participants were centrally randomised to CPAP treatment or usual care between 2008 and 2013,with follow-up completed late 2015 and the results will be announced in August 2016...
September 2016: Journal of Hypertension
Kazuomi Kario, Deepak Bhatt, Sandeep Brar, George Bakris
OBJECTIVE: Dynamic changes in 24-hour ambulatory blood pressure (BP) are associated with basal autonomic function and cardiovascular risk. We examined the influence of ethnicity on these parameters by comparing ambulatory BP dynamics in Japanese, African American (AA), and white populations with treatment-resistant hypertension. DESIGN AND METHOD: Both HTN-Japan (N = 41) and SYMPLICITY HTN-3 (N = 384 white and 140 AA) enrolled patients with office systolic BP ≥ 160 mmHg and 24-hour ambulatory systolic BP ≥ 135 mmHg while on ≥3 antihypertensive medications...
September 2016: Journal of Hypertension
Kazuomi Kario
The essential benefit of the management of hypertension is derived from the blood pressure (BP) lowering per se, indicating the importance of BP throughout 24 hours. Recent guidelines stressed the importance of home BP for the diagnosis and management of hypertension. It is well-known that cardiovascular events occur more frequently in the morning BP levels have been shown to increase during the period from night to early morning. Clinical research using ambulatory BP monitoring (ABPM) or home BP monitoring has clarified that morning BP and BP surge are more closely related to the cardiovascular risk than office BP (Kario et al...
September 2016: Journal of Hypertension
Wei-Jei Lee
Obesity is a pan-endemic health problem in both developed and developing countries, in both western and eastern countries. It increases risk for many common diseases, including type 2 diabetes, dyslipidemia, hypertension, obstructive sleep apnea, heart disease, stroke, asthma, osteoarthritis, cancers and depression etc.. Although the incidence of obesity in Asia is relatively low, Asian patients tend to have similar incidence of obesity related metabolic syndrome at lower BMI level comparing to Caucasians because of central obesity...
September 2016: Journal of Hypertension
Giovanni Veronesi
In Italy, the European SCORE Project risk score is the recommended tool for cardiovascular disease risk stratification in the primary prevention setting. Among non-diabetic subjects aged 40 to 64, the model estimates the 10-year probability of death due to cardiovascular disease based on individual's age, total cholesterol, blood pressure and smoking status. A growing body of evidence suggests that in middle-aged adults this stratification may suffer from two major drawbacks. First, mortality risk severely underestimates the global burden of disease incidence...
September 2016: Journal of Hypertension
Chooza Moon, Cynthia H Phelan, Diane R Lauver, Lisa C Bratzke
PURPOSE/OBJECTIVES: Sleep-related breathing disorders (SRBDs), including obstructive sleep apnea and central sleep apnea, are common among patients with cardiovascular disease (CVD), but clinicians often do not pay enough attention to SRBDs. The purpose of this narrative review is to update advanced practice registered nurses on the literature focusing on the relationship between SRBDs and CVD (eg, hypertension, heart failure, coronary artery disease, arrhythmias, and stroke) and on treatments that can improve SRBDs in patients with CVD...
November 2016: Clinical Nurse Specialist CNS
Ajit Kumar, Sanjeev K Bhoi, Jayantee Kalita, Usha K Misra
OBJECTIVE: In view of the paucity of studies on central poststroke pain (CPSP), in this hospital-based prospective study, we evaluated the frequency, the spectrum, imaging, and quantitative sensory testing in a cohort of stroke patients with CPSP. METHODS: Stroke patients who developed CPSP at onset or during follow-up were included. Patients were subjected to clinical evaluation and sensory testing. The severity of stroke was defined by the Modified Rankin Scale and disability by the Barthel Index...
November 2016: Clinical Journal of Pain
Domenico Maurizio Toraldo, Michele De Benedetto, Luana Conte, Francesco De Nuccio
Obstructive sleep apnea (OSA) is characterized by repetitive interruptions of breathing, causing a Chronic Intermittent Hypoxia (CIH) that can be a key step in the development and progression of cardiovascular diseases. Nowadays, in fact, there is scientific evidence showing the close relationship between OSA and atherosclerosis, even in those patients who do not show co-morbidities such as hypertension, diabetes, high levels of low-density lipoprotein (LDL), cigarette smoking and obesity, which normally are able to activate the endothelium...
October 7, 2016: Current Vascular Pharmacology
Osamu Itani, Maki Jike, Norio Watanabe, Yoshitaka Kaneita
OBJECTIVE: The dose-response of short sleep duration in mortality has been studied, in addition to the incidences of notable health complications and diseases such as diabetes mellitus, hypertension, cardiovascular diseases, stroke, coronary heart diseases, obesity, depression, and dyslipidemia. METHODS: We collected data from prospective cohort studies with follow-ups of one year or more on associations between short sleep duration and the outcomes. For the independent variable, we divided participants at baseline into short sleepers and normal sleepers...
August 26, 2016: Sleep Medicine
Mohsen Yousefnezhad, Morteza Fotouhi, Kaveh Vejdani, Padideh Kamali-Zare
We present a universal model of brain tissue microstructure that dynamically links osmosis and diffusion with geometrical parameters of brain extracellular space (ECS). Our model robustly describes and predicts the nonlinear time dependency of tortuosity (λ=sqrt[D/D^{*}]) changes with very high precision in various media with uniform and nonuniform osmolarity distribution, as demonstrated by previously published experimental data (D = free diffusion coefficient, D^{*} = effective diffusion coefficient). To construct this model, we first developed a multiscale technique for computationally effective modeling of osmolarity in the brain tissue...
September 2016: Physical Review. E
Mark I Boulos, Sara Elias, Anthony Wan, James Im, Fadi Frankul, Mina Atalla, Sandra E Black, Vincenzo S Basile, Arun Sundaram, Julia J Hopyan, Karl Boyle, David J Gladstone, Richard H Swartz, Brian J Murray
BACKGROUND: Home sleep apnea testing (HSAT) is an alternative to polysomnography for the detection of obstructive sleep apnea (OSA). We assessed the feasibility of HSAT as an unattended screening tool for patients with a stroke or transient ischemic attack (TIA). AIMS: The primary outcome was the feasibility of unattended HSAT, as defined by analyzability of the data. Secondary outcomes included determining (1) predictors of obtaining nonanalyzable sleep data and (2) time to OSA detection and continuous positive airway pressure (CPAP) initiation...
October 4, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
Taizen Nakase, Maiko Tobisawa, Masahiro Sasaki, Akifumi Suzuki
Poststroke depression (PSD) is a critical complication which might lead to unfavorable outcomes. However, most cases of PSD in the acute phase, during the 2 or 3 weeks following a stroke, are neglected because of the variable comorbid conditions. In this study, aimed at revealing the outstanding symptoms of PSD during the acute phase, consecutive patients with intracranial hemorrhage (ICH) or brain infarction (BI) were asked to fill out a depression questionnaire (Quick Inventory of Depressive Symptomatology Self-Report: QIDS-SR) at 1 week and 1 month following stroke onset...
2016: PloS One
Ye Wen, Fu-Hua Pi, Pi Guo, Wen-Ya Dong, Yu-Qing Xie, Xiang-Yu Wang, Fang-Fang Xia, Shao-Jie Pang, Yan-Chun Wu, Yuan-Yuan Wang, Qing-Ying Zhang
Sleep habits are associated with stroke in western populations, but this relation has been rarely investigated in China. Moreover, the differences among stroke subtypes remain unclear. This study aimed to explore the associations of total stroke, including ischemic and hemorrhagic type, with sleep habits of a population in southern China. We performed a case-control study in patients admitted to the hospital with first stroke and community control subjects. A total of 333 patients (n = 223, 67.0%, with ischemic stroke; n = 110, 23...
October 4, 2016: Scientific Reports
Kazuko Kato, Seiko Miyata, Motoo Ando, Hiroki Matsuoka, Fumihiko Yasuma, Kunihiro Iwamoto, Naoko Kawano, Masahiro Banno, Norio Ozaki, Akiko Noda
AIMS: Short sleep duration is a risk factor for cardiovascular diseases. Cerebral blood flow and its regulation are affected by pathological conditions commonly observed in the elderly population, such as dementia, atherosclerosis, diabetes mellitus, stroke and hypertension. The purpose of this study was to examine the influence of sleep duration on cortical oxygenated hemoglobin (OxyHb) using near-infrared spectroscopy (NIRS). METHODS: Seventy-three individuals (age, 70...
October 3, 2016: Psychiatry and Clinical Neurosciences
Priscila Farias Tempaku, Diego Robles Mazzotti, Camila Hirotsu, Monica Levy Andersen, Gabriela Xavier, Pawan Kumar Maurya, Lucas Bortolotto Rizzo, Elisa Brietzke, Sintia Iole Belangero, Lia Bittencourt, Sergio Tufik
Aging is associated with an increase in the prevalence of obstructive sleep apnea syndrome (OSAS) as well as the shortening of telomeres. It is known that OSAS-related factors are stimuli that can contribute to the acceleration of cellular senescence. Thus, the present study aimed to compare the leukocyte telomere length (LTL) between OSAS patients and controls, as well as to verify the correlation between LTL and sleep parameters. We used DNA extracted of 928 individuals from EPISONO to measure the LTL by the quantitative real-time polymerase chain reaction...
September 27, 2016: Oncotarget
Tetyana Kendzerska, Richard S Leung, Andrea S Gershon, George Tomlinson, Najib Ayas
RATIONALE: The inter-relationships between obstructive sleep apnea (OSA) and obesity are complex and bidirectional; however, the current evidence regarding their combined effect o cardiovascular risk is limited and conflicting. Animal studies suggest that obesity may exacerbate the cardiovascular consequences of intermittent hypoxemia. OBJECTIVES: In this historical observational study, we investigated whether obesity increases the effect of nocturnal hypoxemia on the incidence of cardiovascular events in adults with suspected OSA...
September 30, 2016: Annals of the American Thoracic Society
M M Xiaolin Gu
OBJECTIVE: The study aimed to evaluate potential risk factors of sleep disorder in stroke patients by conducting a meta-analysis. METHODS: Relevant articles were searched in PubMed, Medline, Springer, Elsevier, Science Direct, Cochrane Library, and Google scholar database up to May 2014. The effect size of risk factors, including gender, hypertension, diabetes mellitus, dyslipidemia, smoking, alcohol use, previous stroke, chronic obstructive pulmonary disease (COPD), and habitual snoring were measured by odds ratio (OR) and corresponding 95% confidence interval (95% CI)...
August 12, 2016: Topics in Stroke Rehabilitation
Sana Salah, Mariem Rekik, Soumaya Boudokhane, Houda Migaou, Anis Jellad, Zohra Ben Salah Frih
OBJECTIVE: To assess the prevalence of sleep disorders (SD) in ischemic stroke (IS) patients followed in physical medicine and rehabilitation (PMR) and to compare this prevalence to that found in a control population. MATERIAL/PATIENTS AND METHODS: A cross-sectional study was conducted over a period of 8 months. We enrolled IS patients and case controls matched for age and sex and who met the inclusion criteria. The data studied were epidemiological and clinical...
September 2016: Annals of Physical and Rehabilitation Medicine
Ngor Side Diagne, Massaman Camara, Abou Sy, Ousmane Cissé, Amadou Koura Ndao, Amadou Gallo Diop, Mouhamadou Mansour Ndiaye
OBJECTIVE: Therefore, the aim of our study was to determine risk factors for poor quality of life by considering disability after stroke in its multidimensional aspects but also to see the impact of each risk factor on the dimensions of quality of life. MATERIAL/PATIENTS AND METHODS: A prospective study of stroke patients confirmed, followed by neurovascular consultation at Fann Hospital in Dakar has been achieved. Quality of life was evaluated by the 65 Sikness Impact Profile (SIP 65), the depression by the scale of Beck...
September 2016: Annals of Physical and Rehabilitation Medicine
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